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EP2723672A1 - Connector for actuating delivering taps - Google Patents

Connector for actuating delivering taps

Info

Publication number
EP2723672A1
EP2723672A1 EP11739200.1A EP11739200A EP2723672A1 EP 2723672 A1 EP2723672 A1 EP 2723672A1 EP 11739200 A EP11739200 A EP 11739200A EP 2723672 A1 EP2723672 A1 EP 2723672A1
Authority
EP
European Patent Office
Prior art keywords
connector
valve
tap
liquid
connector according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11739200.1A
Other languages
German (de)
French (fr)
Other versions
EP2723672B1 (en
Inventor
Diego Nini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vitop Moulding SRL
Original Assignee
Vitop Moulding SRL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vitop Moulding SRL filed Critical Vitop Moulding SRL
Publication of EP2723672A1 publication Critical patent/EP2723672A1/en
Application granted granted Critical
Publication of EP2723672B1 publication Critical patent/EP2723672B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/0829—Keg connection means
    • B67D1/0831—Keg connection means combined with valves
    • B67D1/0835—Keg connection means combined with valves with one valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/0801—Details of beverage containers, e.g. casks, kegs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/10—Pump mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D3/00—Apparatus or devices for controlling flow of liquids under gravity from storage containers for dispensing purposes
    • B67D3/04—Liquid-dispensing taps or cocks adapted to seal and open tapping holes of casks, e.g. for beer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/60—Handles
    • F16K31/602—Pivoting levers, e.g. single-sided
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D1/00—Apparatus or devices for dispensing beverages on draught
    • B67D1/08—Details
    • B67D1/0801—Details of beverage containers, e.g. casks, kegs
    • B67D2001/0827—Bags in box

Definitions

  • the present invention refers to a connector for delivering taps, in particular for taps adapted to be applied onto liquid vessels of the so-called “bag in box” type.
  • Such vessels are generally composed of a cardboard box, inside which a bag is placed, adapted to store the liquid to be delivered.
  • the taps are applied to the bag and the consumer, after having purchases the package, obtains an opening in the external cardboard box, makes the tap go out, breaks its warranty seal that is usually present, and actuates the tap through the pressure of his fingers, or, always with his fingers, actuates a wing-type opening mechanism, for delivering liquid.
  • the prior art provides for the use of connectors that can be applied onto the taps and keep them constantly open, allowing to deliver liquid towards distribution tubes placed downstream of the connectors themselves.
  • the check valve is configured in order to allow a liquid outflow that is not fully satisfactory for end user needs; moreover, the spring that cooperates with the pouring element abuts, inside the pouring element itself, onto a cross-shaped support placed next to the liquid delivery opening and such support is a further obstacle and limitation for liquid to go out;
  • the connector configuration is such as to allow it an efficient anti-twisting action during its use: in fact, it tends to be longitudinally bent upon coupling it with the tap, with the risk of being broken;
  • the small plug that drives the tap opening has its contact surface with the tap shaped as a curve in order to be like the recess with which the tap opening pusher is equipped: this allows on one hand an accurate contact between small plug and tap, but on the other hand it then limits the pushing force when opening the tap itself;
  • the upper small plug is composed of at least two plastic components.
  • Object of the present invention is solving the above prior art problems, by providing a connector that, with reference to the above-mentioned problems, has the following advantages:
  • the check valve is geometrically designed to perform all static seals of the connector, and of the connector with the delivery tap of the bag- in-box (or other liquid vessels) and those "dynamic" seals due to the system opening and closing;
  • the check valve is equipped with an opening, to allow an outflow of liquid that is wholly satisfactory for the end user needs; moreover, it has the chance (due to its silicone material and the accurate cutting performed thereon during the post-stamping step) to perform a self- seal when it is required to close the liquid passage;
  • the connector has been reinforced and therefore it not subjected any more, as occurs in other connectors, to twisting during its use;
  • the small plug that drives the tap opening has its contact surface suitable, in order to allow a contact on a greater surface of the recess with which the tap opening pusher is equipped: this allows highly increasing the pushing force of the tap itself;
  • the small plug of the connector that drives the final tap opening is a single piece: this simplifies the assembling steps (in the old connector the pieces were two) optimising assembling costs and assembling times;
  • the internal part called body is geometrically shaped in order to allow a unique chance of placing the tap, thereby avoiding the
  • the internal part called body is geometrically shaped in order not to allow the user to wrongly put the plug of the bag-in-box (or of any other vessel) into the connector.
  • the problem of placing the tap not on the same axis with respect to the connector has been solved;
  • the lever device that is fastened to the connector body has geometries that enable its opening and its maintenance
  • the lever on its upper part, has the seat for the small plug (on which a cam profile is obtained, that will "guide” the upper small plug when opening and closing) that will efficiently block the tap in its working position;
  • the body has necessary geometries for fastening the lever
  • the body has necessary geometries for correctly inserting the tap
  • the internal valve in addition to perform liquid seals in the connector and to have the chance of behave as valves with metal springs (namely have the function of a check valve), due to its geometry and the fact that it is made of silicone, has also the property of performing the liquid seal (always due to its geometry, the fact that it is made of silicone and the accurate cutting obtained on the valve (that can be rectilinear in the preferred configuration, but also shaped as a cross, a star, etc.) between connector and plug (tap) ) .
  • Figure 1 is an exploded perspective view of a preferred embodiment of the connector for delivering taps of the present invention
  • Figure 2 is a side view of the connector of
  • Figure 3 is a front view of the connector of Figure 1;
  • Figures 4, 5 and 6 are respectively a side sectional view, a side view and a top view of the inventive connector in an opening position thereof;
  • Figures 7, 8 and 9 are respectively a side sectional view, a side view and a top view of the inventive connector connected to a delivering tap;
  • Figures 10, 11 and 12 are respectively a side sectional view, a side view and a top view of the inventive connector in a starting closing position thereof with respect to the situation in Figures 7, 8 and 9;
  • Figures 13, 14 and 15 are respectively a side sectional view, a side view and a top view of the inventive connector in a complete closing position thereof with respect to the situation of Figures 10, 11 and 12;
  • Figures 16, 17 and 18 are respectively a side sectional view, a side view and a top view of the inventive connector in a delivery activation position thereof with respect to the situation of Figures 13, 14 and 15;
  • Figures 19, 20, 21, 22 and 22A are respectively a top perspective view, a side perspective view, a side view, a side sectional view, and a detailed sectional view, of the internal valve of the inventive; and Figure 23 is a view with preferred variations of the internal valve of the inventive connector .
  • object of the connectors is keeping the delivering tap in its "opening" position to allow a continuous liquid delivery.
  • Such connectors are used when it is necessary to directly connect the delivering tap to a liquid dispensing device of the type on a counter (for example dispensing devices for wine or beer or juices that can be found in places like bars and hotels) .
  • One of the peculiarities of the inventive connector is that it is composed of five plastic pieces and one metallic spring, which, however, since it is placed in the upper part (under the small blocking plug) , will never get in contact with the foodstuff liquid, and therefore will never generate the problems of the marketed connectors.
  • the connector 1 for delivering taps 3 of the invention substantially comprises:
  • the pouring element 5 is connected through a thread 9 to the body 11 of the connector 1.
  • the seat 13 is obtained, on which the valve 15 is placed, that will be described below.
  • By adjusting (tightening or leaving a clearance) the housing diameter of the valve 15, preferably made of silicone also the necessary force for opening the valve 15 is adjusted.
  • Such force is usually generated by a pump (not shown) that can be found at half the path between connector 1 and dispensing device and whose purpose is "moving" the liquid;
  • valve 15 made of silicone, that is a valve with a special geometry that allows, once assembled on the connector 1, performing "static” seals ( (piece with piece of the connector 1 (pouring element 5 + valve 15 made of silicone + body 11 of the connector 1) and of the connector 1 with the delivering tap 3) of the connector 1, and further to perform the "dynamic" seals (once having placed the plug 16 and performed all opening/blocking steps of the connector 1 (and therefore once having opened, and kept in its opening position, the tap 3 in the connector 1) , the valve 15 will be able to perform a sort of self-seal of liquid till the pump will generate a vacuum that will open a cut-out 18 obtained on the valve 15 itself, which will pass liquid till the pumpe requires liquid.
  • the valve 15 is stamped in silicone and the cut-out 18 will be obtained thereon (in a post-stamping step) and, due to the properties of silicone and its geometry, will perform the self-seal till a pump "recall";
  • lever 20 that is the element which, due to a rotation (on a fulcrum 22 obtained on the body 11) , makes the tap 3 open.
  • the lever 20 is reinforced in order not to get distorted, and is ergonomic to facilitate grasping and closing it.
  • - at least one small blocking plug 16 made in a single piece with a metallic spring 28 with a special flexible geometry for inserting and fastening it to the lever 20.
  • the internal geometry of the small plug 16 allows following the profile created on the upper cylinder 24 of the lever 20 and allows blocking the tap 3 to the connector 1.
  • the spring 28 is used, upon opening the connector 1, to make- the small plug 16 go back to its opening position .
  • Figures 4, 5 and 6 are respectively a side sectional view, a side view and a top view of the inventive connector 1 in an opening position thereof, with the lever 20 in a slanted position to allow connecting it to a tap 3.
  • Figures 7, 8 and 9 are respectively a side sectional view, a side view and a top view of the inventive connector 1 connected to a delivering tap .
  • Figures 10, 11 and 12 are respectively a side sectional view, a side view and a top view of the inventive connector 1 in a starting closing position thereof with respect to the situation in Figures 7, 8 and 9: in such position, the lever 22 starts being pushed towards the body 11 in order to be overlapped to the tap 3 connected to the connector 1.
  • Figures 13, 14 and 15 are respectively a side sectional view, a side view and a top view of the inventive connector in a complete closing position thereof with respect to the situation of Figures 10, 11 and 12.
  • Figures 16, 17 and 18 are respectively a side sectional view, a side view and a top view of the inventive connector in a delivery activation position thereof with respect to the situation of Figures 13, 14 and 15: in this position, the rotation of the small plug 16 in the cam 26 makes the lower end 30 of the small plug 16 come in contact with the top part of the tap 3, blocking it in its operating position for a continuous delivery .
  • Figures 19, 20, 21, 22 and 22A are respectively a top perspective view, a side perspective view, a side view, a side sectional view, and a detailed sectional view, of the internal valve 15 of the inventive connector 1: in such Figures, it can be seen how such valve 15 is composed of a body with a circular cross section, equipped with an external lip 32, also with a circular cross section, from which the cut-out 18 departs, which performs the self-seal of the connector till the pump recall.
  • Such cut-out 18 (as pointed out in Figures 19 to 23, in particular this latter Figure) is in the plane part of the valve 15, and is obtained through an accurate cutting that, in the preferred configuration, generates two edges. These edges, due to the properties of silicone, are able to get mutually sealed and, only upon the pump recall, open and allow the liquid passage. Silicone is currently the only material that allows performing this operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Closures For Containers (AREA)

Abstract

A connector (1) for delivering taps (3) is described, comprising: a pouring element (5) that connects a tube (7) that takes liquid from the tap (3) to a dispensing device; a valve (15) made of silicone, that performs static and dynamic seals inside the connector (1); a body (11), that contains the tap (3) and is coupled with the pouring element (5); at least one lever (20), that is connected to the body (11) and makes the tap (3) open through a rotation around a fulcrum (22) obtained on the body (11); and a small blocking plug (16), connected to the lever (20) and adapted to engage the tap (3) in an opening and continuos delivery position thereof; the small plug (16) is made in a single piece with a metallic spring (28) having a flexible shape for inserting and fastening it to the lever (20) : the spring (28) is adapted, upon opening the connector (1), to make the small plug (16) go back to its opening position.

Description

CONNECTOR FOR ACTUATING DELIVERING TAPS
The present invention refers to a connector for delivering taps, in particular for taps adapted to be applied onto liquid vessels of the so-called "bag in box" type.
Such vessels are generally composed of a cardboard box, inside which a bag is placed, adapted to store the liquid to be delivered. The taps are applied to the bag and the consumer, after having purchases the package, obtains an opening in the external cardboard box, makes the tap go out, breaks its warranty seal that is usually present, and actuates the tap through the pressure of his fingers, or, always with his fingers, actuates a wing-type opening mechanism, for delivering liquid.
When it is necessary to deliver liquid continuously, for example in shops where wine is dispensed, the prior art provides for the use of connectors that can be applied onto the taps and keep them constantly open, allowing to deliver liquid towards distribution tubes placed downstream of the connectors themselves.
These connectors however are not satisfactory and has the following problems:
a) they are first of all composed of a great number of parts, providing, even in a normal configuration, a pouring device, an O-ring for sealing the pouring device, an internal check valve, a spring for pushing such valve, three 0- rings for sealing the valve, a body, an opening handle with related small pushing plug and another spring that cooperates with the opening handle: such configuration is costly and above all complex to be assembled;
b) the internal check valve, after a prolonged use, gets dirty and must be cleaned by the end user: this operation is difficult upon disassembling, when it is necessary to detach from the connector body all components contained therein, and still more difficult, and sometimes impossible, upon assembling, when the user, not remembering the mutual coupling of the component parts, is not able any more to put them together again;
c) the presence of four sealing rings is an indication of potential leakages of the connector and of its difficult coupling with the tap;
d) the check valve is configured in order to allow a liquid outflow that is not fully satisfactory for end user needs; moreover, the spring that cooperates with the pouring element abuts, inside the pouring element itself, onto a cross-shaped support placed next to the liquid delivery opening and such support is a further obstacle and limitation for liquid to go out;
e) the connector configuration is such as to allow it an efficient anti-twisting action during its use: in fact, it tends to be longitudinally bent upon coupling it with the tap, with the risk of being broken;
f) the small plug that drives the tap opening has its contact surface with the tap shaped as a curve in order to be like the recess with which the tap opening pusher is equipped: this allows on one hand an accurate contact between small plug and tap, but on the other hand it then limits the pushing force when opening the tap itself;
g) the presence of metal elements (spring pushing the internal valve so that the connector does not lift all liquid present in the section going from the liquid-dispensing machine to the connector itself) that necessarily get in contact with liquid, requires particular steels (suitable for food contact) that are very costly; moreover, many liquids (for example milk, coffee and fruit juices) that use very aggressive liquids for cleaning the connector, in order to avoid contaminations, damage the spring that becomes dangerous and useless (it loses its properties and does not allow any more the connector valve to go back in its closing position upon disconnecting the tap, and therefore there is a danger of liquid leaking outside the connector) after the cleaning treatment; ■
h) there is no connector with a valve (in a single piece) that self-drives its opening and closing (depending on the liquid call "ordered" by a pump that is located between the connector and the delivering device on the counter) without the use of a metallic spring;
i) there is no check valve that is geometrically designed to perform all static seals of the connector, and of the connector with the delivering tap of the bag-in-box (or other liquid vessels) , and to perform those "dynamic" connections required for opening and closing the "system";
1) the geometry of the majority of the connectors is not "intuitive" for the end user and allows also wrongly placing the plug in the connector itself, sometimes impairing its liquid seals or even worse its use;
m) sometimes, due to the shape of the majority of marketed connectors, the tap of the bag-in-box (or any other type of vessel) is not correctly placed on the same axis with respect to the connector. In this way, one runs the risk of damaging both the connector valve and the tap itself, impairing their liquid seal;
n) the upper small plug is composed of at least two plastic components.
Object of the present invention is solving the above prior art problems, by providing a connector that, with reference to the above-mentioned problems, has the following advantages:
a) it uses a special valve with a special geometry that self-drives its opening and closing depending on the recall of any pump device;
b) it is above all composed of a very reduced number of parts, removing all four sealing rings and the spring that cooperates with the internal valve: this obviously results in an inexpensive connector that is easy to be assembled;
c) the internal check valve is easy to be removed for its cleaning;
d) the check valve is geometrically designed to perform all static seals of the connector, and of the connector with the delivery tap of the bag- in-box (or other liquid vessels) and those "dynamic" seals due to the system opening and closing;
e) the check valve is equipped with an opening, to allow an outflow of liquid that is wholly satisfactory for the end user needs; moreover, it has the chance (due to its silicone material and the accurate cutting performed thereon during the post-stamping step) to perform a self- seal when it is required to close the liquid passage;
f) the connector has been reinforced and therefore it not subjected any more, as occurs in other connectors, to twisting during its use;
g) the small plug that drives the tap opening has its contact surface suitable, in order to allow a contact on a greater surface of the recess with which the tap opening pusher is equipped: this allows highly increasing the pushing force of the tap itself;
h) the small plug of the connector that drives the final tap opening is a single piece: this simplifies the assembling steps (in the old connector the pieces were two) optimising assembling costs and assembling times;
i) the internal part called body is geometrically shaped in order to allow a unique chance of placing the tap, thereby avoiding the
"intuitivity" problem, that old connectors had, when using it;
1) the internal part called body is geometrically shaped in order not to allow the user to wrongly put the plug of the bag-in-box (or of any other vessel) into the connector. In practice, the problem of placing the tap not on the same axis with respect to the connector (severe problem since its use is impaired) has been solved;
m) the main blockage occurs by means of a lever device;
n) the lever device that is fastened to the connector body has geometries that enable its opening and its maintenance;
o) the lever, on its upper part, has the seat for the small plug (on which a cam profile is obtained, that will "guide" the upper small plug when opening and closing) that will efficiently block the tap in its working position;
p) the lever has strenghtening geometries
(ribs) , that allow the piece to have the necessary sturdiness/stiffness in time;
q) the body has necessary geometries for fastening the lever;
r) the body has necessary geometries for correctly inserting the tap;
s) the internal valve, in addition to perform liquid seals in the connector and to have the chance of behave as valves with metal springs (namely have the function of a check valve), due to its geometry and the fact that it is made of silicone, has also the property of performing the liquid seal (always due to its geometry, the fact that it is made of silicone and the accurate cutting obtained on the valve (that can be rectilinear in the preferred configuration, but also shaped as a cross, a star, etc.) between connector and plug (tap) ) .
The above and other objects and advantages of the invention, as will appear from the following description, are obtained by a connector for delivering taps as claimed in Claim 1. Preferred embodiments and non-trivial variations of the present invention are claimed in the dependent Claims .
It is intended that all enclosed claims are an integral part of the present disclosure.
The present invention will be better described by some preferred embodiments thereof, given as a non-limiting example, with reference to the enclosed drawings, in which:
Figure 1 is an exploded perspective view of a preferred embodiment of the connector for delivering taps of the present invention;
Figure 2 is a side view of the connector of
Figure 1;
Figure 3 is a front view of the connector of Figure 1;
Figures 4, 5 and 6 are respectively a side sectional view, a side view and a top view of the inventive connector in an opening position thereof;
Figures 7, 8 and 9 are respectively a side sectional view, a side view and a top view of the inventive connector connected to a delivering tap;
Figures 10, 11 and 12 are respectively a side sectional view, a side view and a top view of the inventive connector in a starting closing position thereof with respect to the situation in Figures 7, 8 and 9;
Figures 13, 14 and 15 are respectively a side sectional view, a side view and a top view of the inventive connector in a complete closing position thereof with respect to the situation of Figures 10, 11 and 12;
Figures 16, 17 and 18 are respectively a side sectional view, a side view and a top view of the inventive connector in a delivery activation position thereof with respect to the situation of Figures 13, 14 and 15;
Figures 19, 20, 21, 22 and 22A are respectively a top perspective view, a side perspective view, a side view, a side sectional view, and a detailed sectional view, of the internal valve of the inventive; and Figure 23 is a view with preferred variations of the internal valve of the inventive connector .
With reference to the Figures, a preferred, but not limiting, embodiment of the connector for delivering taps of the present invention, will now be described.
It will be immediately obvious that numerous variations and modifications (for example related to shape, sizes, arrangements and parts with equivalent functionality) could be made to what is described, without departing from the scope of the invention as appears from the enclosed claims.
As mentioned above, object of the connectors is keeping the delivering tap in its "opening" position to allow a continuous liquid delivery.
Usually, such connectors are used when it is necessary to directly connect the delivering tap to a liquid dispensing device of the type on a counter (for example dispensing devices for wine or beer or juices that can be found in places like bars and hotels) .
One of the peculiarities of the inventive connector is that it is composed of five plastic pieces and one metallic spring, which, however, since it is placed in the upper part (under the small blocking plug) , will never get in contact with the foodstuff liquid, and therefore will never generate the problems of the marketed connectors.
As shown in the Figures, the connector 1 for delivering taps 3 of the invention substantially comprises:
- at least one pouring element 5, that is a part that is used for connecting the tube 7 (usually made of silicone) that takes liquid from the tap 3 to the dispensing device (not shown) . The pouring element 5 is connected through a thread 9 to the body 11 of the connector 1. Thereon, the seat 13 is obtained, on which the valve 15 is placed, that will be described below. By adjusting (tightening or leaving a clearance) the housing diameter of the valve 15, preferably made of silicone, also the necessary force for opening the valve 15 is adjusted. Such force is usually generated by a pump (not shown) that can be found at half the path between connector 1 and dispensing device and whose purpose is "moving" the liquid;
- at least one valve 15 made of silicone, that is a valve with a special geometry that allows, once assembled on the connector 1, performing "static" seals ( (piece with piece of the connector 1 (pouring element 5 + valve 15 made of silicone + body 11 of the connector 1) and of the connector 1 with the delivering tap 3) of the connector 1, and further to perform the "dynamic" seals (once having placed the plug 16 and performed all opening/blocking steps of the connector 1 (and therefore once having opened, and kept in its opening position, the tap 3 in the connector 1) , the valve 15 will be able to perform a sort of self-seal of liquid till the pump will generate a vacuum that will open a cut-out 18 obtained on the valve 15 itself, which will pass liquid till the pumpe requires liquid. The valve 15 is stamped in silicone and the cut-out 18 will be obtained thereon (in a post-stamping step) and, due to the properties of silicone and its geometry, will perform the self-seal till a pump "recall";
- a body 11, that is the part on which the threaded connection geometries of the pouring element 5 are obtained; also the guides for inserting and housing the tap 3 and the fastening areas of the lever 20 are obtained on the body 11;
- at least one lever 20, that is the element which, due to a rotation (on a fulcrum 22 obtained on the body 11) , makes the tap 3 open. The lever 20 is reinforced in order not to get distorted, and is ergonomic to facilitate grasping and closing it. On its upper part, there is a cylinder 24 on which a cam 26 is obtained, that will be used to connect the small blocking plug 16; and
- at least one small blocking plug 16, made in a single piece with a metallic spring 28 with a special flexible geometry for inserting and fastening it to the lever 20. The internal geometry of the small plug 16 allows following the profile created on the upper cylinder 24 of the lever 20 and allows blocking the tap 3 to the connector 1. The spring 28 is used, upon opening the connector 1, to make- the small plug 16 go back to its opening position .
With reference now to Figures 4 to 18, the operation of the inventive connector 1 will now be described.
Figures 4, 5 and 6 are respectively a side sectional view, a side view and a top view of the inventive connector 1 in an opening position thereof, with the lever 20 in a slanted position to allow connecting it to a tap 3.
Figures 7, 8 and 9 are respectively a side sectional view, a side view and a top view of the inventive connector 1 connected to a delivering tap .
Figures 10, 11 and 12 are respectively a side sectional view, a side view and a top view of the inventive connector 1 in a starting closing position thereof with respect to the situation in Figures 7, 8 and 9: in such position, the lever 22 starts being pushed towards the body 11 in order to be overlapped to the tap 3 connected to the connector 1.
Figures 13, 14 and 15 are respectively a side sectional view, a side view and a top view of the inventive connector in a complete closing position thereof with respect to the situation of Figures 10, 11 and 12.
Figures 16, 17 and 18 are respectively a side sectional view, a side view and a top view of the inventive connector in a delivery activation position thereof with respect to the situation of Figures 13, 14 and 15: in this position, the rotation of the small plug 16 in the cam 26 makes the lower end 30 of the small plug 16 come in contact with the top part of the tap 3, blocking it in its operating position for a continuous delivery .
Finally, Figures 19, 20, 21, 22 and 22A are respectively a top perspective view, a side perspective view, a side view, a side sectional view, and a detailed sectional view, of the internal valve 15 of the inventive connector 1: in such Figures, it can be seen how such valve 15 is composed of a body with a circular cross section, equipped with an external lip 32, also with a circular cross section, from which the cut-out 18 departs, which performs the self-seal of the connector till the pump recall. Such cut-out 18 (as pointed out in Figures 19 to 23, in particular this latter Figure) is in the plane part of the valve 15, and is obtained through an accurate cutting that, in the preferred configuration, generates two edges. These edges, due to the properties of silicone, are able to get mutually sealed and, only upon the pump recall, open and allow the liquid passage. Silicone is currently the only material that allows performing this operation.

Claims

1. Connector (1) for delivering taps (3) characterised in that it comprises, in combination:
- at least one pouring element (5) adapted to connect a tube (7) that takes liquid from the tap
(3) to a dispensing device;
- at least one valve (15), adapted to perform static and dynamic seals inside the connector (1) and housed inside said pouring element (5) ;
- a body (11), adapted to contain the tap (3) and to be operatively coupled with the pouring element (5) ;
at · least one lever (20), adapted to be operatively connected to said body (11) and to make the tap (3) open through a rotation around a fulcrum (22) obtained on said body (11) ; and
at least one small blocking plug (16), operatively connected to said lever (20) and adapted to engage said tap (3) in an opening and continuous delivery position thereof, said small blocking plug (16) being made in a single piece with a metallic spring (28) whose shape is flexible in order to insert and fasten it to said lever (20), said spring (28) being adapted, upon opening the connector (1) , to make the small plug (16) go back to its opening position.
2. Connector according to claim 1, characterised in that said pouring element (5) is connected through a thread (9) to the body (11) of the connector (1), and a seat (13) is obtained thereon, on which the valve (15) is placed, so that, by adjusting, namely by tightening or leaving a clearance, the housing diameter of the valve (15), the necessary force to open the valve (15) is also adjusted, such force being generated by a pump that is placed on a path between connector (1) and dispensing device and whose purpose is moving the liquid to be delivered.
3. Connector according to claim 2, characterised in that static seals are seals piece against piece of the connector (1), namely the pouring element (5), and of the valve (15) and the body (11) , and of the connector (1) with the delivering tap (3) .
4. Connector according to claim 2 or 3, characterised in that dynamic seals are seals to liquid of the valve (15) till the pump generates a vacuum that makes a cut-out (18) obtained on the valve (15) open and let liquid pass till the pump requires liquid.
5. Connector according to claim 1, characterised in that said lever (20) is reinforced in order not to get distorted, and is equipped, in its upper part, with a cylinder (24) on which a cam (26) is obtained, that is used for connecting said small blocking plug (16) .
6. Connector according to claim 1, characterised in that said valve (15) is composed of a body with a circular cross section, equipped with an external lip (32), also with a circular cross section, from which said cut-out (18) departs, obtained in a plane part of said valve (15) and adapted to perform a self-seal of said connector till the pump recall .
7. Connector according to claim 4 or 6, characterised in that said cut-out (18) is made with a rectilinear shape.
8. Connector according to claim 4 or 6, characterised in that said cut-out (18) is made with the shape of a cross.
9. Connector according to claim 4 or 6, characterised in that said cut-out (18) is made with the shape of a star.
10. Connector according to any one of the previous claims, characterised in that said valve (15) is made of silicone.
EP11739200.1A 2011-06-23 2011-06-23 Connector for actuating delivering taps Not-in-force EP2723672B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IT2011/000216 WO2012176221A1 (en) 2011-06-23 2011-06-23 Connector for actuating delivering taps

Publications (2)

Publication Number Publication Date
EP2723672A1 true EP2723672A1 (en) 2014-04-30
EP2723672B1 EP2723672B1 (en) 2015-11-04

Family

ID=44629604

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11739200.1A Not-in-force EP2723672B1 (en) 2011-06-23 2011-06-23 Connector for actuating delivering taps

Country Status (12)

Country Link
US (3) US20140131397A1 (en)
EP (1) EP2723672B1 (en)
JP (1) JP5886951B2 (en)
CN (1) CN103619749B (en)
BR (1) BR112013033132B1 (en)
CA (1) CA2840019C (en)
ES (1) ES2552949T3 (en)
MX (1) MX338832B (en)
PT (1) PT2723672E (en)
RU (1) RU2555679C1 (en)
WO (1) WO2012176221A1 (en)
ZA (1) ZA201309447B (en)

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IT201600123495A1 (en) * 2016-12-06 2017-03-06 Vitop Moulding Srl Plastic dispensing tap for dispensing liquids from containers
IT201900022887A1 (en) 2019-12-03 2020-03-03 Vitop Moulding Srl Automatic opening anti-tamper liquid dispenser tap

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Also Published As

Publication number Publication date
CA2840019C (en) 2017-03-21
CN103619749A (en) 2014-03-05
BR112013033132B1 (en) 2019-12-10
US20160107875A1 (en) 2016-04-21
RU2555679C1 (en) 2015-07-10
JP5886951B2 (en) 2016-03-16
CA2840019A1 (en) 2012-12-27
JP2014516890A (en) 2014-07-17
US20180155178A1 (en) 2018-06-07
EP2723672B1 (en) 2015-11-04
MX2013015113A (en) 2014-06-04
ZA201309447B (en) 2015-11-25
BR112013033132A2 (en) 2017-11-28
CN103619749B (en) 2015-09-30
PT2723672E (en) 2015-11-24
US20140131397A1 (en) 2014-05-15
WO2012176221A1 (en) 2012-12-27
ES2552949T3 (en) 2015-12-03
MX338832B (en) 2016-05-03

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